Position in IONS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$30,086,235
+$3,042,561 QoQ
Shares Held
400,669
+17.2% QoQ
Ownership
0.242%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 94.23489214289101.ToString("F0")%
Shared 0.ToString("F0")%
None 5.765107857108985.ToString("F0")%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ALLIANCEBERNSTEIN L.P. holds $5,113,566,936 across 211 Biotechnology names. IONS ranks #34 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,910,786 | $1,746,322,380 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
426,914 | $329,850,832 | |
| 3 | ARGX |
Argenx SE
|
422,304 | $308,387,496 | |
| 4 | GMAB |
Genmab A/S
|
9,557,149 | $256,418,307 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
1,908,907 | $141,755,433 | |
| 6 | TECH |
BIO-TECHNE Corp
|
2,213,197 | $115,661,675 | |
| 7 | INSM |
INSMED Inc
|
688,734 | $112,621,783 | |
| 8 | HALO |
Halozyme Therapeutics, Inc.
|
1,736,501 | $112,230,059 |
All Filings in IONS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $30,086,235 | 400,669 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $27,043,674 | 341,849 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,549,820 | 54,262 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $2,056,772 | 52,057 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,039,597 | 100,749 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,822,674 | 52,136 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $2,089,609 | 52,162 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $2,443,432 | 51,268 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $8,286,569 | 191,155 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $13,017,818 | 257,320 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $13,812,936 | 304,518 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $14,218,454 | 346,538 | Shares | Defined | 2023-08-15 | |
| 2023-03-31 | $1,736,964 | 48,600 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $2,209,696 | 58,504 | Shares | Defined | 2023-02-15 | |
| 2022-09-30 | $2,569,851 | 58,102 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $2,253,037 | 60,860 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,294,220 | 61,939 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $3,140,802 | 103,214 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $2,295,846 | 68,451 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $2,784,441 | 69,803 | Shares | Defined | 2021-07-30 | |
| 2021-03-31 | $3,475,408 | 77,300 | Shares | Defined | 2021-05-06 | |
| 2020-12-31 | $3,905,161 | 69,069 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $3,305,794 | 69,669 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $4,102,967 | 69,589 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $3,260,334 | 68,958 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||